Error message when you try to connect to a domain controller for remote administration from a Windows Vista SP1-based computer that has Remote Server Administration Tools (RSAT) installed: "The RPC server is unavailable"
Support for Windows Vista Service Pack 1 (SP1) ends on July 12, 2011. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows.
You have a Windows Vista Service Pack 1 (SP1)-based computer that has Remote Server Administration Tools (RSAT) installed. When you try to use the Active Directory Users and Computers Microsoft Management Console (MMC) snap-in or the Group Policy Management Console (GPMC) to connect to a domain controller for remote administration, you receive the following error message:
Naming information cannot be located because: The RPC server is unavailable.
Additionally, when you try to access \\DomainName from the Windows Vista SP1-based computer, you receive the following error message:
The network path was not found.
This issue occurs because the TCP/IP NetBIOS Helper service is not started.
To resolve this issue, start the TCP/IP NetBIOS Helper service. To do this, follow these steps:
Click Start, type services.msc in the Start Search box, and then press ENTER. If you are prompted for an administrator password or for confirmation, type the password, or click Continue.
Locate and then double-click the TCP/IP NetBIOS Helper service.
In the Startup type list, click Automatic, and then click Apply.
Under Service status, click Start to start the TCP/IP NetBIOS Helper service, and then click OK.